cass.cityboundforest.com
A dungeon delver roguelike using Pathfinder 2nd edition rules
Adding boilerplate code
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-18
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gb/Makefile
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gb/Makefile
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.SUFFIXES: # Suppress a lot of useless default rules, which also provides a nice speedup.
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# Recursive `wildcard` function.
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rwildcard = $(foreach d,$(wildcard $(1:=/*)),$(call rwildcard,$d,$2) $(filter $(subst *,%,$2),$d))
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# Program constants.
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# POSIX OSes (the sane default).
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RM_RF := rm -rf
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MKDIR_P := mkdir -p
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ifeq ($(strip $(shell which rm)),)
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# Windows *really* tries its hardest to be Special™!
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RM_RF := -rmdir /s /q
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MKDIR_P := -mkdir
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endif
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RGBDS ?= # Shortcut if you want to use a local copy of RGBDS.
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RGBASM := ${RGBDS}rgbasm
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RGBLINK := ${RGBDS}rgblink
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RGBFIX := ${RGBDS}rgbfix
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RGBGFX := ${RGBDS}rgbgfx
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ROM = bin/${ROMNAME}.${ROMEXT}
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# Argument constants
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INCDIRS = src/ include/
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WARNINGS = all extra
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ASFLAGS = -p ${PADVALUE} $(addprefix -I,${INCDIRS}) $(addprefix -W,${WARNINGS})
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LDFLAGS = -p ${PADVALUE}
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FIXFLAGS = -p ${PADVALUE} -i "${GAMEID}" -k "${LICENSEE}" -l ${OLDLIC} -m ${MBC} -n ${VERSION} -r ${SRAMSIZE} -t ${TITLE}
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# The list of ASM files that RGBASM will be invoked on.
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SRCS = $(call rwildcard,src,*.asm)
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## Project-specific configuration
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# Use this to override the above
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include project.mk
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# `all` (Default target): build the ROM
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all: ${ROM}
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.PHONY: all
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# `clean`: Clean temp and bin files
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clean:
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${RM_RF} bin obj assets
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.PHONY: clean
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# `rebuild`: Build everything from scratch
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# It's important to do these two in order if we're using more than one job
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rebuild:
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${MAKE} clean
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${MAKE} all
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.PHONY: rebuild
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# By default, asset recipes convert files in `assets/` into other files in `assets/`.
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# This line causes assets not found in `assets/` to be also looked for in `src/assets/`.
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# "Source" assets can thus be safely stored there without `make clean` removing them!
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VPATH := src
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# Define how to compress files using the PackBits16 codec.
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# (The compressor script requires Python 3.)
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assets/%.pb16: src/tools/pb16.py assets/%
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@${MKDIR_P} "${@D}"
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$^ $@
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# How to build a ROM.
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# Notice that the build date is always refreshed.
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bin/%.${ROMEXT}: $(patsubst src/%.asm,obj/%.o,${SRCS})
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@${MKDIR_P} "${@D}"
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${RGBASM} ${ASFLAGS} -o obj/build_date.o src/assets/build_date.asm
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${RGBLINK} ${LDFLAGS} -m bin/$*.map -n bin/$*.sym -o $@ $^ \
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&& ${RGBFIX} -v ${FIXFLAGS} $@
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# `.mk` files are auto-generated dependency lists of the source ASM files, to save a lot of hassle.
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# Also add all obj dependencies to the dep file too, so Make knows to remake it.
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# Caution: some of these flags were added in RGBDS 0.4.0, using an earlier version WILL NOT WORK
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# (and produce weird errors).
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obj/%.mk: src/%.asm
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@${MKDIR_P} "${@D}"
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${RGBASM} ${ASFLAGS} -M $@ -MG -MP -MQ ${@:.mk=.o} -MQ $@ -o ${@:.mk=.o} $<
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# DO NOT merge this with the rule above, otherwise Make will assume that the `.o` file is generated,
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# even when it isn't!
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# This causes weird issues that depend, among other things, on the version of Make.
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obj/%.o: obj/%.mk
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@touch $@
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ifeq ($(filter clean,${MAKECMDGOALS}),)
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include $(patsubst src/%.asm,obj/%.mk,${SRCS})
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endif
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gb/main.asm
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gb/main.asm
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INCLUDE "hardware.inc"
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SECTION "Header", ROM0[$100]
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jp EntryPoint
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ds $150 - @, 0 ; Make room for the header
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EntryPoint:
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; Do not turn the LCD off outside of VBlank
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WaitVBlank:
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ld a, [rLY]
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cp 144
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jp c, WaitVBlank
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; Turn the LCD off
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ld a, 0
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ld [rLCDC], a
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gb/project.mk
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gb/project.mk
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# This file contains project-specific configuration.
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# You can override variables set in the Makefile here.
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# Value that the ROM will be filled with.
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PADVALUE := 0xFF
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## Header constants (passed to RGBFIX).
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# ROM version (typically starting at 0 and incremented for each published version).
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VERSION := 0
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# 4-ASCII letter game ID.
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GAMEID := DNGR
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# Game title, up to 11 ASCII chars.
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TITLE := Dungeoner
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# New licensee, 2 ASCII chars.
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# Homebrew games FTW!.
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LICENSEE := HB
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# Old licensee, please set to 0x33 (required to get SGB compatibility).
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OLDLIC := 0x33
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# MBC type, tells which hardware is in the cart.
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# You can get a list of valid values by running `rgbfix -m help`.
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# See https://gbdev.io/pandocs/MBCs for more information, or consult any copy of Pan Docs.
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# If using no MBC, consider enabling `-t` below.
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MBC := 0x00
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# ROM size is set automatically by RGBFIX.
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# Size of the on-board SRAM; MBC type should indicate the presence of RAM.
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# See https://gbdev.io/pandocs/The_Cartridge_Header#0149--ram-size or consult any copy of Pan Docs.
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# Set this to 0 when using MBC2's built-in SRAM.
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SRAMSIZE := 0x00
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# ROM name.
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ROMNAME := dungeoner
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ROMEXT := gb
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# Compilation parameters, uncomment to apply, comment to cancel.
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# "Sensible defaults" are included.
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# Please refer to RGBDS' documentation.
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# For example, offline: `man 1 rgbasm`; online: https://rgbds.gbdev.io/docs/rgbasm.1
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# Export all labels.
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# This means they must all have unique names, but they will all show up in the .sym and .map files.
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# ASFLAGS += -E
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# Game Boy Color compatible.
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# FIXFLAGS += -c
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# Game Boy Color required.
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# FIXFLAGS += -C
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# Super Game Boy compatible.
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# FIXFLAGS += -s
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# Game Boy mode.
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# LDFLAGS += -d
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# No banked WRAM mode.
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# LDFLAGS += -w
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# 32k mode.
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# LDFLAGS += -t
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gb/src/assets/build_date.asm
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gb/src/assets/build_date.asm
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gb/src/main.asm
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gb/src/main.asm
···
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INCLUDE "hardware.inc/hardware.inc"
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rev_Check_hardware_inc 4.0
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SECTION "Header", ROM0[$100]
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; This is your ROM's entry point
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; You have 4 bytes of code to do... something
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di
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jp EntryPoint
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; Make sure to allocate some space for the header, so no important
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; code gets put there and later overwritten by RGBFIX.
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; RGBFIX is designed to operate over a zero-filled header, so make
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; sure to put zeros regarless of the padding value. (This feature
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; was introduced in RGBDS 0.4.0, but the -MG etc flags were also
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; introduced in that version.)
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ds $150 - @, 0
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SECTION "Entry point", ROM0
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EntryPoint:
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; Here is where the fun begins, happy coding :)
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jr @